const a1 = [1,2,3,4];

// console.log(arr.reduce((acc, cur) => acc + cur, 0)); // 10

// console.log( eval(arr.join('+')) ); // '1+2+3+4' = 10
const a3 = new Function('arr', `return arr;`);

console.log(fn(a1));

// const a = 1, b = 2, c = 3;

// const a = 1;
// const b = 2;
// const c = 3;

// a1.length > 0 ? 0 : 1;

console.log(a);
const a = 1;
